Quad band Inset-fed Circular Microstrip Patch Antenna with Inverted T-slot for Wireless Communication

Abstract

In this paper, an inset-fed circular microstrip patch antenna (CMSA) is designed and simulated for 3.80 GHz. In the next step, the CMSA is loaded with optimized inverted    T-shaped slot (CMSAIT) on the radiating patch. By inserting an inverted T-slot the antenna is operating at four frequency bands i.e., 3.32 GHz, 6.60 GHz, 8.62 GHz and 10.22 GHz with corresponding impedance bandwidths of 6.9%, 9.53%, 13.75% and 14.09% respectively. The peak gain of 5.22 dB is achieved. Also the proposed CMSAIT antenna shows broad side radiation characteristics and finds application in wireless communication system.

 Keywords: Circular microstrip, Inverted T-slot, Quad band, HFSS, wireless communication.